package com.experiment2.demo;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationEvent;
import org.springframework.context.ApplicationListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.event.ApplicationEventMulticaster;
import org.springframework.context.event.SimpleApplicationEventMulticaster;
import org.springframework.context.support.AbstractApplicationContext;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import org.springframework.stereotype.Component;

public class AutoConfigTest {
    @Bean(AbstractApplicationContext.APPLICATION_EVENT_MULTICASTER_BEAN_NAME)
    ApplicationEventMulticaster customApplicationEventMulticaster(ThreadPoolTaskExecutor taskExecutor){
        SimpleApplicationEventMulticaster eventMulticaster = new SimpleApplicationEventMulticaster();
        eventMulticaster.setTaskExecutor(taskExecutor);
        return eventMulticaster;
    }
    public static class NoticeEvent extends ApplicationEvent {
        private static final Logger logger = LoggerFactory.getLogger(NoticeEvent.class);
        private final  String message;
        public NoticeEvent(String message) {
            super(message);
            this.message = message;
            logger.info("添加事件成功! message: {}",message);
        }
        public String getMessage() {
            return message;
        }
    }

    @Component
    static class NoticeListener implements ApplicationListener<NoticeEvent> {
        private static final Logger logger = LoggerFactory.getLogger(NoticeListener.class);

        @Override
        public void onApplicationEvent(NoticeEvent noticeEvent) {
            logger.info("事件监听器获取到NoticeEvent, 睡眠当前线程 3 秒...");
            try{
                Thread.sleep(3000);
            }catch (InterruptedException e){
                e.printStackTrace();
            }
            logger.info("NoticeEvent的message属性是: {}", noticeEvent.getMessage());
        }
    }
}
